ESR was founded in 1990 as a professional PA sound rental company. Shortly after they began producing custom made audio equipment.

Their goal was, from the very beginning to develop and produce products for the demanding professional musician, with a superior sound quality and features not seen on any other guitar effect pedal.

Due to their extensive knowledge of the professional music industry, and their ...contacts with a wide range of demanding musicians, they have been able to maintain a high quality of products and now have a range of 28 high quality guitar effect pedals, with more to come in the future.

In 2005 Carl Martin released their first point point handmade tube amplifier the Custom Shop 50, the line now includes heads,- caps as well as a bass system.

Friends it’s here, it’s official, the video from the man himself, check out Andy Timmons demo of his Signature Dual Comp/Limiter from Carl Martin, see Andy brilliant play, hear him talk about why and how.

The Carl Martin Andy Timmons Signature Compressor/Limiter. Just like the Carl Martin Compressor/Limiter, we believe this unit to be the most musically useful guitar dynamics processor on the market.

The Carl Martin Andy Timmons Signature Compressor/Limiter has been developed in corporation with Andy Timmons to create a user-friendly yet versatile compressor/limiter with its two presets.

Whether you are an international touring musician, or just very particular about the power your pedals are receiving; which by the way you should be, the ‘Carl Martin Pro Power’ power supply was created just for you.

The Pro Power offers a number of features designed with the discerning musician in mind. Start with the switchable (110-230 V) AC input, and split that into 8 individual isolated and regulated 9v (150mA) – 12v (110mA) outputs, with extended power at output 7-8 9v (350mA) 12v (220mA), and you have a unique power supply you can use virtually anywhere.

There is a simple DIP switch on the back of the Pro Power, which allows you to switch the voltage of each output between 9-12v. Housed in our traditional black metal case, the Carl Martin Pro Power is perfect to use on it’s own, or when powering your personal pedal board.

The Pro Power also comes with a selection of 9V DC cables for your convenience.